All names: 2MASS J02333507+2755510, Gaia DR3 127697761487000320, SDSS J023335.08+275550.7, Gaia DR2 127697761487000320, Gaia EDR3 127697761487000320, TIC 22749640, [SGR2010] J0233+2755, SDSS J023335.07+275550.7, WD 0230+277
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Gaia DR2 | Stilism | Simbad | White Dwarf Catalog (McCook & Sion 1999) |
|---|---|---|---|---|---|---|---|---|
| Right ascension | 02 33 35.09 (0.3) | 02 33 35.08 | 02 33 35.09 (0.3) | 02 33 35.07 (0.3) | 02 33 34.46 | |||
| Declination | 27 55 50.44 (0.3) | 27 55 50.77 | 27 55 50.45 (0.3) | 27 55 50.96 (0.3) | 27 55 45.48 | |||
| Spectral type | D+M5 | WD+M5 | ||||||
| Effective temperature | [K] | |||||||
| log(g) | [cgs] | |||||||
| Mass | [M☉] | |||||||
| log(Luminosity) | [L☉] | |||||||
| Cooling age | [Gyr] | |||||||
| log(H/He) | ||||||||
| log(C/He) | ||||||||
| log(Ca/He) | ||||||||
| log(Ca/H) | ||||||||
| Parallax | [mas] | 3.03 (0.3) | 3.20 (0.3) | 3.03 (0.3) | ||||
| Distance | [pc] | 330.43 (34) | 312.89 (31) | 330.44 (34) | ||||
| Composition | ||||||||
| Proper motion (right ascension) | [mas/yr] | 16.92203731 (0.3) | 16.26061518 (0.6) | 16.922 (0.3) | ||||
| Proper motion (declination) | [mas/yr] | -32.64411009 (0.3) | -33.45982571 (0.6) | -32.644 (0.3) | ||||
| Variability | ||||||||
| Magnetic | ||||||||
| Bd | [MG] | |||||||
| Infrared excess (disk) | ||||||||
| Binarity | yes | |||||||
| B magnitude | ||||||||
| V magnitude | ||||||||
| R magnitude | ||||||||
| I magnitude | ||||||||
| J magnitude | 16.27 (0.1) | |||||||
| H magnitude | 15.43 (0.09) | |||||||
| K magnitude | 14.85 (0.1) | |||||||
| u magnitude | 21.00 (0.1) | 21.01 (0.1) | 21.01 | |||||
| g magnitude | 20.38 (0.02) | 20.38 (0.02) | 20.38 | |||||
| r magnitude | 19.79 (0.02) | 19.79 (0.02) | 19.79 | |||||
| i magnitude | 18.57 (0.01) | 18.57 (0.01) | 18.57 | |||||
| z magnitude | 17.68 (0.02) | 17.68 (0.02) | 17.68 | |||||
| G magnitude | 19.13 (0.09) | 19.16 | 19.13 (0.004) | |||||
| BP magnitude | 20.21 (0.09) | 20.11 | ||||||
| RP magnitude | 17.98 (0.02) | 17.96 | ||||||
| Pan g magnitude | 20.31 (0.02) | |||||||
| Pan r magnitude | 19.73 (0.007) | |||||||
| Pan i magnitude | 18.56 (0.008) | |||||||
| Pan z magnitude | 17.80 (0.007) | |||||||
| Pan y magnitude | 17.39 (0.01) | |||||||
| E(B-V) | 0.101 | |||||||
* Constant surface field
Spectra without link are available upon request
The Montreal White Dwarf Database is produced and maintained by Prof. Patrick Dufour (Université de Montréal) and Dr. Simon Blouin (University of Victoria). Please send database updates, corrections, suggestions or bug reports to patrick.dufour@umontreal.ca.